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        <p>今天论坛的朋友提出了这个问题，其实我很久之前也都注意到了，但是也没有去搞，今天有时间，写了一个简单粗暴的解决办法。</p>
<p>帖子地址：<a target="_blank" rel="noopener" href="https://bbs.deepin.org/zh/post/228077">https://bbs.deepin.org/zh/post/228077</a></p>
<h2 id="解决方案"><a href="#解决方案" class="headerlink" title="解决方案"></a>解决方案</h2><p>先确定理想的分辨率，我电脑是1920x1080</p>
<p>运行命令:</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">cvt 1920 1080</span><br></pre></td></tr></table></figure>

<p>将得到下面这条信息：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz</span></span><br><span class="line">Modeline <span class="string">&quot;1920x1080_60.00&quot;</span>  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync</span><br></pre></td></tr></table></figure>

<p>然后编辑文件：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo vim /etc/deepin/greeters.d/00-xrandr</span><br></pre></td></tr></table></figure>

<p>在文件末尾添加如下三行：</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># newmode后边的参数就是上边在运行cvt命令时结果中Modeline后边的内容</span></span><br><span class="line">xrandr --newmode <span class="string">&quot;1920x1080_60.00&quot;</span>  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync</span><br><span class="line"><span class="comment"># 下边两条命令中双引号中的内容和上边保持一致</span></span><br><span class="line">xrandr --addmode Virtual1 <span class="string">&quot;1920x1080_60.00&quot;</span></span><br><span class="line">xrandr --output Virtual1 --mode <span class="string">&quot;1920x1080_60.00&quot;</span></span><br></pre></td></tr></table></figure>

<p>重启应该就能看到效果了。</p>

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